The vector $\overrightarrow { \mathrm { A } }$ has components +5 and +7 along the x and y axes respectively.Along a set of axes rotated 90 degrees counterclockwise relative to the original axes,the vector's components are
A)-7;-5.
B)7;-5.
C)-7;5.
D)7;5.
E)7;0.

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The Answer of The vector $\overrightarrow { \mathrm { A } }$ has components +5 and +7 along the x and y axes respectively.Along a set of axes rotated 90 degrees counterclockwise relative to the original axes,the vector's components are
A)-7;-5.
B)7;-5.
C)-7;5.
D)7;5.
E)7;0.

The Vector A→\overrightarrow { \mathrm { A } }A Has Components +5 and +7 Along the X and Y

The Vector $\overrightarrow { \mathrm { A } }$ Has Components +5 and +7 Along the X and Y